Whistle mouthpiece



FIG. 1 is a front and right side perspective view of a whistle mouth showing my new design;

FIG. 2 is a right side elevation view thereof, the left side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a back elevation view thereof.

The portions of the drawings shown in broken lines indicate surrounding structure which does not form part of the design. 

We claim the design for a whistle mouthpiece, as shown and described. 